May weather forecastThomas, WV
May
Weather in May
The last month of the spring, May, is a comfortable month in Thomas, West Virginia, with an average temperature fluctuating between 67.3°F (19.6°C) and 48.6°F (9.2°C).Temperature
The beginning of May signals a rise in the average high-temperature, moving from a mild 57.4°F (14.1°C) in April to an enjoyable 67.3°F (19.6°C). May's nights observe an average temperature of 48.6°F (9.2°C).Humidity
In Thomas, the average relative humidity in May is 81%.Rainfall
May is the month with the most rainfall. Rain falls for 22.9 days and accumulates 4.21" (107mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Thomas aggregates 1.26" (32mm) of snow. In Thomas, during the entire year, snow falls for 81 days and aggregates up to 52.36" (1330mm) of snow.Daylight
In Thomas, West Virginia, the average length of the day in May is 14h and 20min.On the first day of May in Thomas, sunrise is at 6:18 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:37 pm EDT.
Sunshine
In Thomas, the average sunshine in May is 8.5h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In May, the UV index of 5 transforms into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Thomas, WV
- Average high temperature in May: 67.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in May: 48.6°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in May
Thomas, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Thomas, WV
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Thomas, WV
- Average humidity in May: 81%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in May
Thomas, WV
- Average rainfall in May: 4.21"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in May
Thomas, WV
- Average rainfall days in May: 22.9 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in May
Thomas, WV
- Average snowfall in May: 1.26"
The month with the highest snowfall is January (11.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Thomas, WV
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Thomas, WV
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Thomas, WV
- Average sunshine days in May: 6.1 days
The month with the most sunshine days is October (12.5 days).
The month with the least sunshine days is May (6.1 days).
Average UV index in May
Thomas, WV
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Thomas, WV
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in May
Thomas, WV
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, March, September and December (4mi).





